14005541 has 4 divisors (see below), whose sum is σ = 15278784. Its totient is φ = 12732300.

The previous prime is 14005529. The next prime is 14005567. The reversal of 14005541 is 14550041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14550041 = 11 ⋅1322731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14005541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636605 + ... + 636626.

It is an arithmetic number, because the mean of its divisors is an integer number (3819696).

Almost surely, 2^14005541 is an apocalyptic number.

14005541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14005541 is a deficient number, since it is larger than the sum of its proper divisors (1273243).

14005541 is a wasteful number, since it uses less digits than its factorization.

14005541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273242.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 14005541 is about 3742.3977607945. The cubic root of 14005541 is about 241.0460188861.

Adding to 14005541 its reverse (14550041), we get a palindrome (28555582).

The spelling of 14005541 in words is "fourteen million, five thousand, five hundred forty-one".